Originally Posted by
patchmonkey
I will happily state that Sakura, in Komagome, was fantastic. And I believe that if you pay the 200 yen for their "member's card," you get a discount on everything else - food, massages, return visits. The discount was enough to offset the cost of the card and some more.
Just FYI for other visitors, Sakura looks like it will be closed for refurbishing during May 10, 2010 to July 15, 2010
http://translate.google.com/translat...en-US:official
A few stops away in Ikebukuro - Time Spa Resta
http://wikimapia.org/14060105/Time-Spa-Resta-supersento Am not sure if this is an onsen or sento but does have a rather unusual "deep ocean water" bath.
Yokohama, there's also Spa Eas
http://www.spa-eas.com/ I didn't see the price on the website but elsewhere showed an entrance fee of 2,000 yen approx. The Sakura site showed a review of Sakura being ranked #4 and Spa Eas was at #1. Looks to be an onsen from google translate.